.swiper-container {
    width: 500px;
    height: 300px;
} 
body{
    margin: 0;
    padding: 0;
    border: 0;
    width: 100%;
    background-image: url(../images/back.png);
    background-repeat: repeat-x;
    font-size: 14px;
    font-family: Arial, Helvetica, sans-serif;
}
.container{
    width: 1068px;
    margin: 0 auto;
    padding: 0 10px;
    text-align: left;
}
.header{
    height: 75px;
    overflow: hidden;
    margin: 0;
}
.header .logo{
    float: left;
    margin-top: 14px;
    height: 44px;
}
.header .nav{
    float: right;padding-top: 21px;
    margin: 0;
}
.header .nav li{
    display: inline;
    list-style-type: none;
}
.header .nav a{
    display: inline-block;
    padding-left: 10px;
    margin: 0 2px;
    line-height: 33px;
    color: #fff;
    text-decoration: none;
    cursor: pointer;
    padding-right: 10px;
}
.header .nav a:hover{
    font-weight: 700;
    background-color: #ff6d2e;
    border-radius: 32px;
    color: #fff;
    padding-right: 10px;
}
.content{
    background: none;
    border: none;
    border-radius: 0;
    position: relative;
    margin-bottom: 100px;
}
.banner{
    padding-top: 30px;
    height: 424px;
}
.banner_text{
    float: left;
    padding-left: 60px;
}
.banner_text h1{
    font-size: 22px;
    font-weight: 400;
}
.banner_text p{
    color: #999;
}
.banner_text button{
    padding: 10px 50px;
    border: none;
    background-color: #ff6d2e;
    font-size: 20px;
    border-radius: 10px;
    color: #fff;
    font-weight: 700;
    letter-spacing: 5px;
}
.function{
    display: block;
}
.function li{
    height: 20px;
    font-size: 12px;
    color: #ff6d2e;
}
.banner_img{
    width: 600px;
    height: 300px;
    position: relative;
    float: right;
}
.list{
    width: 100%;
    height: 100%;
    list-style-type: none;
}
.item{
    width: 100%;
    height: 100%;
    position: absolute;
    opacity: 0;
    transition: all 0.7s;
}
.item:nth-child(1){
    background-image: url(../images/banner1.jpg);
    background-repeat: no-repeat;
}
.item:nth-child(2){
    background-image: url(../images/banner2.jpg);
    background-repeat: no-repeat;
}
.item:nth-child(3){
    background-image: url(../images/banner3.jpg);
    background-repeat: no-repeat;
}
.item:nth-child(4){
    background-image: url(../images/banner4.jpg);
    background-repeat: no-repeat;
}
.btn{
    width: 30px;
    height: 60px;
    position: absolute;
    top: 140px;
    background-color: rgba(0, 0, 0,0.7);
    border: none;
    outline: none;
    color: #fff;
    z-index: 101;
}
#goPre{
    left: 40px;
}
#goNext{
    right: -40px;
}
.item.active{
    z-index: 100;
    opacity: 1;
}
.info{
    height: 220px;
    margin-top: 120px;
}
.info li{
    float: left;
    list-style-type: none;
}
.download h3{
    font-size: 14px;
    font-weight: 700;
    line-height: 14px;
}
.download p{
    font-size: 14px;
    color: #999;
    line-height: 11px;
}
.download a{
    text-decoration: none;
    color: #ff6d2e;
}
.download_1{
    background-image: url(../images/download.png);
    background-position: -50px 0;
    width: 216px;
    height: 114px;
}
.download_2{
    background-image: url(../images/download.png);
    background-position: -267px 0;
    width: 216px;
    height: 114px;
}
.download_3{
    background-image: url(../images/download.png);
    background-position: -490px 0;
    width: 216px;
    height: 114px;
    background-repeat: no-repeat;
}
.news{
    height: 220px;
}
.news li{
    height: 30px;
    font-size: 12px;
}
.news a{
    text-decoration: none;
    color: #ff6d2e;
}
.news span{
    color:#333;
    float: right;
    line-height: 20px;
}
.footer{
    clear: both;
    margin-top: 22px;
    border-top: 1px solid #d4dadf;
    font-size: 12px;
    text-align: left;
    color:#d4dadf ;
    padding: 10px 0;
}
.footer_copyright{
    float: left;
}
.language{
    float: right;
}



@media screen and(max-width:480px){
    .container{
        width: 400px;
        margin: o auto;
        padding: 0 10px;
        text-align: left;
    }
    .swiper-container {
        display: none;
    } 
    .header .logo{
        float: left;
        margin-top: 14px;
        height: 44px;
    }
    .banner_text{
        float: left;
        padding-left: 60px;
        height: 400px;
    }
    .download{
        width: 290px;
        height: 600px;
        margin-left: 50px;
        margin: 0 auto;
        text-align: center;
    }
    .news h3{
        text-align: center;
        margin-top: 40px;
        margin-bottom: 40px;
    }
    .footer_copyright{
        float: none;
        text-align: center;
    }
    .language{
        display: none;
    }
    .info{
        margin-top: 0px;
    }
}